X^2+15x+12=-4

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Solution for X^2+15x+12=-4 equation: 


Simplifying
X2 + 15x + 12 = -4

Reorder the terms:
12 + X2 + 15x = -4

Solving
12 + X2 + 15x = -4

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + X2 + -12 + 15x = -4 + -12

Reorder the terms:
12 + -12 + X2 + 15x = -4 + -12

Combine like terms: 12 + -12 = 0
0 + X2 + 15x = -4 + -12
X2 + 15x = -4 + -12

Combine like terms: -4 + -12 = -16
X2 + 15x = -16

Add '-15x' to each side of the equation.
X2 + 15x + -15x = -16 + -15x

Combine like terms: 15x + -15x = 0
X2 + 0 = -16 + -15x
X2 = -16 + -15x

Simplifying
X2 = -16 + -15x

Reorder the terms:
16 + X2 + 15x = -16 + -15x + 16 + 15x

Reorder the terms:
16 + X2 + 15x = -16 + 16 + -15x + 15x

Combine like terms: -16 + 16 = 0
16 + X2 + 15x = 0 + -15x + 15x
16 + X2 + 15x = -15x + 15x

Combine like terms: -15x + 15x = 0
16 + X2 + 15x = 0

The solution to this equation could not be determined.

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